Is there flash support for a Radeon hd 4650 agp video card in ubuntu 12.04?

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http://askubuntu.com – I recently upgraded my video card from an evga geforce 6200 to a Radeon HD 4650 agp video card. After doing some research, I found that this Radeon card was basically the best agp card available, and it had flash support (according to the adobe flash website) for gpu acceleration. However, after re-installing 12.04 and the recommended driver via Jockey, flash is still choppy and hogs the cpu resources. Any suggestions? I've had some trouble finding information anywhere. Also, I've got a new power supply on the way which will be a 400W (the specified "minimum" required according to the AMD sp (HowTos)